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How do I iterate over a JSON structure? [duplicate]
... you might find other keys working their way into obj that you don't want, if someone extends the prototype for example...
– Funka
Jan 17 '14 at 18:59
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Sublime Text 2 multiple line edit
...
Highlight the lines and use:
Windows: Ctrl+Shift+L
Mac: Cmd ⌘+Shift+L
You can then move the cursor to your heart's content and edit all lines at once.
It's also called "Split into Lines" in the "Selection" menu.
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The modulo operation on negative numbers in Python
...nnegative result is often more useful. An example is to compute week days. If today is Tuesday (day #2), what is the week day N days before? In Python we can compute with
return (2 - N) % 7
but in C, if N ≥ 3, we get a negative number which is an invalid number, and we need to manually fix it up ...
How can I rename a database column in a Ruby on Rails migration?
...le_name, :old_column, :new_column
end
def self.down
# rename back if you need or do something else or do nothing
end
end
For Rails 3.1 use:
While, the up and down methods still apply, Rails 3.1 receives a change method that "knows how to migrate your database and reverse it when the ...
What is the difference between max-device-width and max-width for mobile web?
...eed to develop some html pages for iphone/android phones, but what is the difference between max-device-width and max-width ? I need to use different css for different screen size.
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Read only the first line of a file?
...ed to use from __future__ import with_statement
In Python 3 you should specify the file encoding for the file you open. Read more...
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Prevent screen rotation on Android
...reenOrientation="landscape"
to the <activity> element/s in
the manifest and you're done.
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Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
...t of a cop-out but the decisions about how much protection is actually justified (not just what would be cool to build) need to be made by those who know the problem intimately.
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Representing graphs (data structure) in Python
...ill be the underlying structure for our Graph class. You also have to know if these connections are arcs (directed, connect one way) or edges (undirected, connect both ways). We'll handle that by adding a directed parameter to the Graph.__init__ method. We'll also add some other helpful methods.
im...
Is it a good practice to place C++ definitions in header files?
...pent coding Modula-2 and Ada, both of which have a similar scheme with specification files and body files.
17 Answers
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